56407829 has 2 divisors, whose sum is σ = 56407830. Its totient is φ = 56407828.

The previous prime is 56407811. The next prime is 56407909. The reversal of 56407829 is 92870465.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 36844900 + 19562929 = 6070^2 + 4423^2 .

It is a cyclic number.

It is not a de Polignac number, because 56407829 - 2¹² = 56403733 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56400829) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28203914 + 28203915.

It is an arithmetic number, because the mean of its divisors is an integer number (28203915).

Almost surely, 2^56407829 is an apocalyptic number.

It is an amenable number.

56407829 is a deficient number, since it is larger than the sum of its proper divisors (1).

56407829 is an equidigital number, since it uses as much as digits as its factorization.

56407829 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 120960, while the sum is 41.

The square root of 56407829 is about 7510.5145629311. The cubic root of 56407829 is about 383.5127396303.

The spelling of 56407829 in words is "fifty-six million, four hundred seven thousand, eight hundred twenty-nine".